You can initialize the data in internal memory or a CF/SD card.
Internal Memory Initialization
Steps M.6.1 Initializing Internal Memory
Initializing the CF/SD card
Steps M.6.2 Initializing the CF/SD card
All data will be deleted from the CF/SD card.
Backup Memory (SRAM) Initialization
Steps M.6.3 Initializing the backup memory (SRAM)